Cecil Chao Sze-tsung doubled his original offer of £40 million, despite the fact his daughter Gigi Chao is already in a same-sex marriage

The gay daughter of Hong Kong billionaire Cecil Chao Sze-tsung, who offered £80 million to any man who could turn his daughter straight, has pleaded with him to accept she is a lesbian.

The super-rich property magnate doubled his original £40 million offer to find a man for 34-year-old Gigi Chao, who is already in a same-sex marriage.

And only weeks ago he was still insisting Gigi was “still single.”

At first she laughed off her father’s plan to get her a man.

But now she has sent her father an open letter asking for him to accept her way of life.

She wrote in Hong Kong’s South China Morning Post: ”Dear Daddy, I must have misled you to hope there were other options for me.

“I know it’s difficult for you to understand how I could feel romantically attracted to a woman; I suppose I can’t really explain it either. It just happens, peacefully and gently, and after so many years, we still love each other very much.

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Happily married: Gigi Chao and her partner Sean Eav

“Now, I’m not asking you to be best of friends; however, it would mean the world to me if you could just not be so terrified of her Sean Eav, and treat her like a normal, dignified human being.

"I understand it is difficult for you to understand, let alone accept this truth.”

She told her 77-year-old father, who claims to have slept with 10,000 women: “I’m sorry to mislead you to think I was only in a lesbian relationship because there was a shortage of good, suitable men in Hong Kong.

“There are plenty of good men, they are just not for me”

Gigi married her long-term partner Sean in a church ceremony in Paris in early 2012, but it was not until news of their union broke in Hong Kong that her father promised the multi-million pound fortune to any male suitor who could walk her down the aisle.